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4

Across

1. A process in which two devices establish communication by exchanging predetermined signals or messages.

2. A set of rules that govern the exchange of data between devices in a network.

3. A protocol used for secure communication over the internet, often used for virtual private networks (VPNs).

4. A widely accepted and recognized specification or protocol used for uniformity and compatibility.

Down

5. A protocol used for the secure transmission of data over the internet, often used for online transactions and other sensitive information.

6. A protocol used for accessing email stored on a server.

7. Cryptographic protocols designed to provide secure communication over a computer network.

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